To avoid confusion, this article (and the accompanying specialization) uses the subject label for the same thing as the SKOS concept, and uses the concept label in the DITA sense.

为了避免混淆，这篇文章（以及伴随的专门化）用 主题（subject） 标签表示与 SKOS 的概念相同的事情，概念（concept） 标签则采用 DITA 的含义。

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You can model these constraints, conditions, and invariants independently using DITA specialization, probably by extending the concept topic type.

您可以使用DITA专门化分别为这些约束、条件和不变式建模，可能还要扩展concept主题类型。

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The concept of teacher specialization has gone through four stages since it took shape, and professional teacher training in the international teacher education system has varied across six models.

“教师的专业化”概念的形成和建立经过了四个时期国际师范教育中对教师进行专业化培养大约经过了六种范式的变迁。

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